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1. Insert the red test lead into the

V A

terminal, blue test lead into the

V B

terminal, yellow test lead to

V C

input terminal and black test lead to the

COM

input terminal.

2. Connect the red test leads (

input terminal), blue test leads (

input

terminal) and yellow test leads (

input terminal) to the corresponding

three phases loaded live wire. Black test lead (COM input terminal) to the

corresponding three phases loaded neutral wire.

3. Press

SELECT

to select phase location, the display shows the

corresponding phase symbol.

means the first phase

means

the first phase

means the first phase

4. The display shows the corresponding True RMS voltage value and

frequency value of each phase.

5. Press

MAX

/▲

, the LCD displays MAX, it starts recording the maximum

AC voltage True RMS value. Press

MAX

/▲

again to show the current AC

voltage True RMS value.

6. Press

MIN

/▼

the LCD displays MAX, it starts recording the minimum AC

voltage True RMS value. Press

MAX

/▼

again to show the current AC

voltage True RMS value.

7. The display shows

9999

when the input voltage is higher than 600V rms.

Note

●

When the measurement has been completed, disconnect the connection

between the testing leads and the circuit under test and remove testing

leads from the input terminals.

B. AC Current (main display) + AC Voltage (secondary display)

Measurement

The AC current ranges are: 40A, 100A, 400A and 1000A

The AC Voltage ranges are: 15V, 100V, 300V and 600V

To measure AC c AC voltage, connect the Meter as follows:

1. Press the

to select AC Current (main display) + AC Voltage

(secondary display) range.

2. Press the lever to open the transformer jaw.

3. Center the conductor within the transformer jaw, then release the Meter

slowly until the transformer jaw is completely closed, Make sure the

conductor to be tested is placed at the center of the transformer jaw,

Содержание 850F

Страница 1: ...er measurement meter The Meter can measure Voltage Current Active Power Apparent Power Reactive Power Power Factor Phase Angle Frequency Active Energy and etc Unpacking Inspection Open the package case and take out the Meter Check the following items carefully to see any missing or damaged part Item Description Qty 1 English Operating Manual 1 piece 2 Red Test Lead 1 piece 3 Black Test Lead 1 piec...

Страница 2: ...o International electrical symbols used on the Meter and in this Operating Manual are explained on page 6 Rules For Safe Operation Warning To avoid possible electric shock or personal injury and to avoid possible damage to the Meter or to the equipment under test adhere to the following rules Before using the Meter inspect the case Do not use the Meter if it is damaged or the case or part of the c...

Страница 3: ...attery the Meter might produce false readings that can lead to electric shock and personal injury When opening the battery door must make sure the Meter is power off When servicing the Meter use only the same model number or identical electrical specifications replacement parts The internal circuit of the Meter shall not be altered at will to avoid damage of the Meter and any accident Soft cloth a...

Страница 4: ...rnating Current Grounding Double Insulated Warning Refer to the Operating Manual Deficiency of Built In Battery Danger of High Voltage Conforms to Standards of European Union The Meter Structure A The Meter Front Structure see figure 1 figure 1 ...

Страница 5: ...A Input Terminal First phase measurement 8 B Input Terminal Second phase measurement 9 COM Input Terminal 10 C Input Terminal Third phase measurement 11 CLEAR button maximum and minimum 12 SELECT button press to select alternate function and sum of Watts measurement 13 button Sum 14 SAVE button data store button 15 Max button 16 HOLD button 17 Rotary Switch 18 USB 19 The distributing line device w...

Страница 6: ...t recording of maximum value it valid at voltage current active power and apparent power ranges only Press once at LOAD mode MR icon shown the Meter displays the next stored reading the left secondary display showing the index increase one Press once at mode CAL icon shown the Meter steps through sum of active power main display sum of reactive power secondary display and sum of power factor main ...

Страница 7: ... it achieves 99 the Meter shows FUL Press CLEAR to clear the stored reading in order to store next reading SELECT At active power main display phase angle secondary display mode press SELECT button to step through first phase second phase third phase and sum of watts At other mode press SELECT to step through first phase second phase and the third phase MIN Press to start recording of minimum valu...

Страница 8: ...8 Display Symbols see figure 3 figure 3 ...

Страница 9: ...uld lead to possible electric shock or personal injury replace the battery as soon as the battery indicator appears 8 Symbol of Unit 9 MIN Minimum reading 10 MAX Maximum reading 11 CLR Indicator for clear the stored reading 12 High voltage symbol 13 Indicates negative reading 14 MR Indicator for recall the stored reading 15 MEM Indicator for data store 16 FUL Indicator for data stored is full 17 D...

Страница 10: ...soon as the battery indicator appears on the display A AC Voltage main display Frequency secondary display Measurement see figure 4 figure 4 The AC Voltage ranges are 15V 100V 300V and 600V The frequency range is 20Hz 100Hz To measure AC voltage frequency connect the Meter as follows ...

Страница 11: ... show the current AC voltage True RMS value 6 Press MIN the LCD displays MAX it starts recording the minimum AC voltage True RMS value Press MAX again to show the current AC voltage True RMS value 7 The display shows 9999 when the input voltage is higher than 600V rms Note When the measurement has been completed disconnect the connection between the testing leads and the circuit under test and rem...

Страница 12: ... disconnect the connection between the conductor under test and the jaw and remove the conductor away from the transformer jaw of the Meter C Active Power main display Phase Angle secondary display Measurement The active power ranges are 40A 100A 400A and 1000A The phase angle ranges are 0 360 Warning To avoid damages to the Meter or harms to you do you measure higher than AC voltage 600 v r s and...

Страница 13: ... terminal Insert blue test leads to B input terminal Insert yellow test leads to C input terminal and connecting it to every live wire of the 3 phase Insert black test leads to COM input terminal and connect it to the neutral wire of the 3 phase ...

Страница 14: ...re 7 figure 7 Insert red test leads to A input terminal Insert blue test leads to B input terminal Insert black test leads to COM input terminal and connect it to the neutral wire of the 3 phase When measuring single phase 2 wires connect the Meter as figure 8 ...

Страница 15: ...black test leads to COM input terminal Connecting the two test leads to live and neutral wires 4 When measuring 3 phases 4 wires see figure 9 10 11 12 13 14 15 16 Press SELECT to choose first phase A see figure 9 The double displays show the active power kW value and also the voltage and current value of A ...

Страница 16: ...of watts as figure 10 figure 10 After sum up the current power measurement value of the first phase then press SELECT to choose the second phase B as figure 11 figure 11 The double display shows the value of active power kW and voltage current of B ...

Страница 17: ...value of the second phase then press SELECT again to choose the third phase C as figure 13 figure 13 The double display shows the value of active power KW and voltage current of C If necessary press to get the sum of watts as figure 14 Figure14 After sum up the current power measurement value of the third phase ...

Страница 18: ...r Figure15 5 When measuring 3 phase 3 wires The first and second phase measuring method is same as 3 phase 4 wires Jump over the third phase measurement Press SELECT to display the 3 phase sum of active power and reactive power Press MAX or MIN as figure 16 to step through in sequence three phase sum of active power three phase sum of reactive power and three phase sum of power factor 3 phase sum ...

Страница 19: ...ed disconnect the connection between the testing leads and the circuit under test and remove testing leads from the input terminals D Apparent Power main display Reactive Power secondary display Measurement To avoid damages to the Meter or harms to you do you measure higher than AC voltage 600V rms and AC current 1000A rms Warning 1 To test for Apparent power main display Reactive power secondary ...

Страница 20: ...LECT again to choose the second phase B see figure 18 figure 18 The double display shows the second phase value of apparent power kVA and reactive power Kvar Press SELECT again to choose the third phase 3 see figure 19 figure 19 The double display shows the third phase value of apparent power kVA and reactive power Kvar ...

Страница 21: ...ng leads and the circuit under test and remove testing leads from the input terminals E Power Factor main display Phase Angle secondary display Measurement Warning to avoid damages to the Meter or harms to you do you measure higher than AC voltage 600V rms and AC current 1000A rms To test for Power factor main display Phase angle secondary display connect the Meter as follows 1 Press the MENU to s...

Страница 22: ...s SELECT again to choose the second phase B see figure 21 figure 21 The double display shows the second phase value of power factor PF and phase angle PG Press SELECT again to choose the third phase 3 see figure 22 figure 22 The double display shows the third phase value of power factor PF and phase angle PG ...

Страница 23: ...ou measure higher than AC voltage 600V rms and AC current 1000A rms To test for Active Energy main display Time secondary display connect the Meter as follows 1 Press the MENU to select Power factor main display Phase angle secondary display range 2 Press the lever to open the transformer jaw and clamp them to the corresponding phase of tested conductor If user needs to measure any phase of the 3 ...

Страница 24: ...MAX and MIN are not valid when measuring active energy 6 Press CLEAR to reset the time Note When there is no input signal it cannot carry out active energy measurement When there is input signal the maximum waiting time is around 10s before timing When testing has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads from the input t...

Страница 25: ...hase as same as 3 phase 4 wires Skip the third phase measurement 5 This feature file no maximum and minimum measurement Warning To avoid damages to the meter or harms to you do you measure higher than AC voltage 600 r m s and AC Current 1000A r m s H Frequency Hz Voltage V Current A 1 Set the Rotary Switch to Hz position 2 Press the lever to open the transformer jaw and clamp them to the correspon...

Страница 26: ... value and also Current value Then press SELECT to choose 2 phase φB See figure 28 figure 28 The double display shows the φB value of Frequency Hz Voltage value and also Current value Then press SELECT to choose 3 phase φB See figure 29 figure29 The double display shows the φB value of Frequency Hz Voltage value and also Current value When measuring 3 phase 3 wires The first phase and second phase...

Страница 27: ... 4 Press SELECT to choose one of A Bor C phase as figure 30 The double display shows tested object s active engergy kWh value and the measuring time of the corresponding phase The measuring reading gets increasing along with the time increases Press HOLD to read a particular time kWh value Then the reading and time are locked but still continuous accumulate measuring time After read the data press...

Страница 28: ...A r m s 2 No signal excluding the measurement of power signal input needs to wait for a maximum time of 10 S start time 3 The data is not saved after power off After reboot re count J Phase sequence detection 1 Turn on Rotary Switch to select RST figure 30 figure 30 Put Red test lead into V A hole put blue test lead into V B Put Yellow ...

Страница 29: ... test results 2 Three horizontal line from top to bottom on behalf of A B C phase Such as lack of one phase will be displayed Lack A Phase will missing the top of the horizontal line Lack B phase will missing the bottom of the horizontal line As shown in Figure 25 on behalf of lack of A phase voltage figure 25 3 If the three phase positive sequence it will show E as shown in Figure 26 Figure 26 4 ...

Страница 30: ... The positive and negative sequence detection voltage range of 100V 500V True RMS Measurement and Average Value Measurement The True RMS measurement method can measure accurately the effective value of non sine wave input signal Average value measurement method can measure the mean value of one sine wave input signal and then displays it as RMS value When the input waveform has distortion measurin...

Страница 31: ...ower and Apparent Power ranges Display Backlight White color Computer connection USB Calibration Feature Sleep Mode To preserve battery life the Meter automatically turns off if you do not turn press any button for around 15 minutes except at active factor range Sampling 3 times per second Max Jaw Size 55mm diameter Analogue Bar Graph Power 9 V Alkaline batteries Dimensions 303mm x 112mm x 39mm We...

Страница 32: ... Operating temperature 23 5 Operating humidity 45 75 R H A AC Voltage True RMS B Frequency Range Resolution Accuracy 20Hz 100Hz 1Hz 0 5 5 Min Input Voltage 10V C AC Current True RMS Range Resolution Accuracy Allowable Maximum overload protection current 40A 0 1A 2 5 15 1000A RMS 400A 1000A 400 800 1A 2 5 15 Range Resolution Accuracy Allowable Maximum overload protection voltage Input Impedance 15V...

Страница 33: ... 600 0kW Accuracy 3 15 Resolution 1000KW 0 01KW 100KW 0 1KW Remarks Min Input Voltage 10V Allowable maximum overload protection voltage 600V RMS Allowable maximum overload protection current 1000A RMS E Apparent Power VA V A Current Voltage Voltages Range 15V 100V 300V 600V Current Range 40A 0 60kVA 4 00kVA 12 00kVA 24 00kVA 100A 1 50kVA 10 00kVA 30 00kVA 60 00kVA 400A 6 00kVA 40 00kVA 120 0kVA 24...

Страница 34: ...Var 100 0kVar 300 0kVar 600 0kVar Accuracy 15V 1000A Range 4 25 Other Range 4 20 Resolution 1000kVar 0 01kVar 100kVar 0 1kVar Remarks Min Input Current Voltage 10A 10V Allowable maximum overload protection voltage 600V RMS Allowable maximum overload protection current 1000A RMS G Power Factor PF W VA Range Accuracy Resolution Measuring Condition 0 3 1 capacitive or inductive 0 022 0 001 The minimu...

Страница 35: ... 2 0 001kWh Remarks Allowable maximum overload protection voltage 600V RMS Allowable maximum overload protection current 1000A RMS MAINTENANCE This section provides basic maintenance information including battery replacement instruction Warning Do not attempt to repair or service your Meter unless you are qualified to do so and have the relevant calibration performance test and service information...

Страница 36: ...dicator appears Make sure the transformer jaw and the tests leads are disconected from the circuit being tested before opening the case bottom To replace the battery 1 Press POWER to turn the Meter off and remove all the connections from the input terminals 2 Turn the Meter s front case down 3 Remove the screw from the battery door and separate the battery door from the case bottom 4 Rejoin the ca...

Страница 37: ...e Measurement 12 D Apparent Power Reactive Power Measurement 19 E Power Factor Phase Angle Measurement 21 F Active Energy Time Measurement 23 G Phase Angle Voltage Current 24 H Frequency Voltage Current 25 I Active Energy Active Power Time 27 J Phase Sequence Detection 28 True RMS Measurement and Average Value Measurement 27 Specifications 30 A General Specifications 30 B Environmental Requirement...

Страница 38: ...38 I Active Energy 35 Maintenance 35 A General Service 35 B Replacing the Battery 36 ...

Страница 39: ...OPERATING MANUAL DIGITAL POWER CLAMP METER 850F ...

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